Notebook[List[Cell[BoxData[FormBox[GridBox[List[List[RowBox[List[RowBox[List[RowBox[List["m", FractionBox[RowBox[List[SuperscriptBox["d", "2"], "x"]], SuperscriptBox["dt", "2"]]]], "+", RowBox[List["c", FractionBox["dx", "dt"]]], "+", "kx"]], "=", RowBox[List[SubscriptBox["F", "0"], RowBox[List[RowBox[List["cos", "(", RowBox[List[RowBox[List["\[Omega]", " ", "t"]], "-", "\[Psi]"]], ")"]], "."]]]]]], TagBox[StyleBox[TagBox[RowBox[List["Equation", " ", "2"]], Null, Rule[Editable, True], Rule[Selectable, True]], "EquationLabel", Rule[Deletable, False], Rule[ZeroWidthTimes, True]], Null, Rule[Editable, False]]]], Rule[RowSpacings, 2.], Rule[ColumnWidths, List[Fit, Automatic]], Rule[RowAlignments, Top], Rule[ColumnAlignments, List[TextAlignment, Right]]], TraditionalForm]], "Input"]]]